Williams, J. F. (1964). The principles of physical education (8th3rd ed.). W. B. Saunders Company.
芝加哥风格引文Williams, Jesse Feiring. The Principles of Physical Education. 8th3rd ed. Philadelphia and London: W. B. Saunders Company, 1964.
MLA引文Williams, Jesse Feiring. The Principles of Physical Education. 8th3rd ed. W. B. Saunders Company, 1964.
警告：这些引文格式不一定是100％准确.